Sometime the evening after Poster Girls (
Sonia and Zoe in Poster Girls - Part 1 , though this specifically means after the hypothetical Part 2) was the after shoot dinner. It was still early on in Sonia's time in the transformation tooniverse, so there was a few things she still didn't know about.
Zoe, naturally, was all too eager to introduce her to fusion. Especially if it meant getting a little bigger the melt their new employer Pepper for a night of fun in the hot tub.